Update GDT version for M82 (#6729)

Author: paulb777

FirebaseAppDistribution.podspec

@@ -33,7 +33,7 @@ iOS SDK for App Distribution for Firebase.
   s.dependency 'GoogleUtilities/AppDelegateSwizzler', '~> 7.0'
   s.dependency 'GoogleUtilities/UserDefaults', '~> 7.0'
   s.dependency 'FirebaseInstallations', '~> 7.0'
-  s.dependency 'GoogleDataTransport', '~> 7.5'
+  s.dependency 'GoogleDataTransport', '~> 8.0'
 
   s.pod_target_xcconfig = {
     'GCC_C_LANGUAGE_STANDARD' => 'c99',

FirebaseCoreDiagnostics.podspec

@@ -51,7 +51,7 @@ non-Cocoapod integration. This library also respects the Firebase global data co
 
   s.framework = 'Foundation'
 
-  s.dependency 'GoogleDataTransport', '~> 7.5'
+  s.dependency 'GoogleDataTransport', '~> 8.0'
   s.dependency 'GoogleUtilities/Environment', '~> 7.0'
   s.dependency 'GoogleUtilities/Logger', '~> 7.0'
   s.dependency 'nanopb', '~> 2.30906.0'

FirebaseCrashlytics.podspec

@@ -50,7 +50,7 @@ Pod::Spec.new do |s|
   s.dependency 'FirebaseCore', '~> 7.0'
   s.dependency 'FirebaseInstallations', '~> 7.0'
   s.dependency 'PromisesObjC', '~> 1.2'
-  s.dependency 'GoogleDataTransport', '~> 7.5'
+  s.dependency 'GoogleDataTransport', '~> 8.0'
   s.dependency 'nanopb', '~> 2.30906.0'
 
   s.libraries = 'c++', 'z'

GoogleDataTransport.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'GoogleDataTransport'
-  s.version          = '7.5.1'
+  s.version          = '8.0.0'
   s.summary          = 'Google iOS SDK data transport.'
 
   s.description      = <<-DESC

GoogleDataTransport/CHANGELOG.md

@@ -1,3 +1,6 @@
+# v8.0.0
+- Source restructuring to limit the public API surface.
+
 # v7.5.1
 - Fix deprecation warning for iOS 12.0 and higher projects. (#6682)